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  <title>Checks if Solr server is still up</title>

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</div><hr /><div id="solrclient.ping" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SolrClient::ping</h1>
  <p class="verinfo">(PECL solr &gt;= 0.9.2)</p><p class="refpurpose"><span class="refname">SolrClient::ping</span> &mdash; <span class="dc-title">Checks if Solr server is still up</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-solrclient.ping-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="type"><a href="class.solrpingresponse.html" class="type SolrPingResponse">SolrPingResponse</a></span> <span class="methodname"><strong>SolrClient::ping</strong></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   Checks if the Solr server is still alive. Sends a HEAD request to the Apache Solr server.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-solrclient.ping-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-solrclient.ping-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   Returns a SolrPingResponse object on success and throws a SolrClientException on failure.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-solrclient.ping-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4627">
    <p><strong>Example #1 <span class="methodname"><strong>SolrClient::ping()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$options&nbsp;</span><span style="color: #007700">=&nbsp;array<br />(<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">'hostname'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">SOLR_SERVER_HOSTNAME</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">'login'&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">SOLR_SERVER_USERNAME</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">'password'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">SOLR_SERVER_PASSWORD</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">'port'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">SOLR_SERVER_PORT</span><span style="color: #007700">,<br />);<br /><br /></span><span style="color: #0000BB">$client&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">SolrClient</span><span style="color: #007700">(</span><span style="color: #0000BB">$options</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$pingresponse&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">$client</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">ping</span><span style="color: #007700">();<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程的输出类似于：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>

</pre></div>
    </div>
   </div>
  </p>
 </div>


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